CVE-2026-30860

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{"affected": [{"affectedData": [{"product": "WeKnora", "vendor": "Tencent", "versions": [{"status": "affected", "version": "< 0.2.12"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*", "matchCriteriaId": "7B86D061-D1A8-438E-802E-D5408C339349", "versionEndExcluding": "0.2.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.2.12, a remote code execution (RCE) vulnerability exists in the application's database query functionality. The validation system fails to recursively inspect child nodes within PostgreSQL array expressions and row expressions, allowing attackers to bypass SQL injection protections. By smuggling dangerous PostgreSQL functions inside these expressions and chaining them with large object operations and library loading capabilities, an unauthenticated attacker can achieve arbitrary code execution on the database server with database user privileges. This issue has been patched in version 0.2.12."}, {"lang": "es", "value": "WeKnora es un framework impulsado por LLM dise\u00f1ado para la comprensi\u00f3n profunda de documentos y la recuperaci\u00f3n sem\u00e1ntica. Antes de la versi\u00f3n 0.2.12, existe una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo (RCE) en la funcionalidad de consulta de base de datos de la aplicaci\u00f3n. El sistema de validaci\u00f3n no logra inspeccionar recursivamente los nodos hijos dentro de expresiones de array y expresiones de fila de PostgreSQL, permitiendo a los atacantes eludir las protecciones de inyecci\u00f3n SQL. Al introducir funciones peligrosas de PostgreSQL dentro de estas expresiones y encaden\u00e1ndolas con operaciones de objetos grandes y capacidades de carga de bibliotecas, un atacante no autenticado puede lograr ejecuci\u00f3n de c\u00f3digo arbitrario en el servidor de base de datos con privilegios de usuario de base de datos. Este problema ha sido parcheado en la versi\u00f3n 0.2.12."}], "id": "CVE-2026-30860", "lastModified": "2026-06-17T10:33:03.017", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-30860", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-09T17:58:53.330423Z", "version": "2.0.3"}}]}, "published": "2026-03-07T17:15:53.823", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/Tencent/WeKnora/security/advisories/GHSA-8w32-6mrw-q5wv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.2.12)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "WeKnora", "source": "cna", "vendor": "Tencent"}, "product": "weknora", "vendor": "tencent"}], "analysis": {"en": {"generated_at": "2026-04-16T10:45:54.741271+00:00", "value": {"mitigation_remediation": ["Upgrade WeKnora to version 0.2.12 or newer to apply the vendor patch.", "If an immediate upgrade is not feasible, isolate the WeKnora deployment by limiting external network access to only trusted internal hosts, thereby preventing unauthenticated attackers from reaching the vulnerable endpoint.", "Monitor application and database logs for unexpected SQL queries, large object manipulations, or attempts to load dynamic libraries, and investigate any anomalies promptly."], "summary": {"action": "Apply Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Tencent\u2019s WeKnora, an LLM\u2011powered document understanding and semantic retrieval platform. All installations running any version earlier than 0.2.12 are susceptible; version 0.2.12 and later contain the fix.", "description_and_impact": "A flaw in the database query component of the WeKnora framework allows an attacker to bypass SQL injection protection by exploiting uninspected child nodes in PostgreSQL array and row expressions. This enables smuggling dangerous PostgreSQL functions, chaining them with large object operations and library loading, which in turn grants arbitrary code execution on the database server with the rights of the database user. The weakness is a classic SQL injection flaw, categorized as CWE\u201189.", "risk_and_exploitability": "The issue carries a CVSS score of 10, indicating maximum severity, yet the EPSS score is less than 1%, suggesting low current exploitation probability. It is not listed in the CISA KEV catalog. Attackers could exploit the flaw via unauthenticated access to the application\u2019s query interface; thus the likely vector is remote over the network. Successful exploitation would lead to uncontrolled code execution on the database server, jeopardizing confidentiality, integrity, and availability of all data managed by the system."}}}}, "created": "2026-03-09T10:04:00.754413+00:00", "updated": "2026-04-16T11:00:10.625796+00:00", "vendors": ["tencent", "tencent$PRODUCT$weknora"]}